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Fair Value Measurements (Tables)
3 Months Ended
Mar. 31, 2014
Fair Value Measurements [Abstract]  
Fair value measurements for items measured at fair value
Fair value measurements for assets measured at fair value included the following as of March 31, 2014 and December 31, 2013:

 
 
Fair Value
  
Quoted Prices in Active Markets for Identical Assets (Level 1)
  
Significant Other Observable Inputs
(Level 2)
  
Significant Unobservable Inputs
(Level 3)
 
 
 
(In thousands)
 
March 31, 2014
 
  
  
  
 
 
 
  
  
  
 
U.S. Treasury securities and obligations of U.S. government corporations and agencies
 
$
535,048
  
$
535,048
  
$
-
  
$
-
 
Obligations of U.S. states and political subdivisions
  
906,127
   
-
   
903,749
   
2,378
 
Corporate debt securities
  
2,184,750
   
-
   
2,184,750
   
-
 
Asset-backed securities
  
393,511
   
-
   
393,511
   
-
 
Residential mortgage-backed securities
  
353,525
   
-
   
353,525
   
-
 
Commercial mortgage-backed securities
  
282,561
   
-
   
282,561
   
-
 
Collateralized loan obligations
  
60,434
   
-
   
60,434
   
-
 
Debt securities issued by foreign sovereign governments
  
42,570
   
42,570
   
-
   
-
 
Total debt securities
  
4,758,526
   
577,618
   
4,178,530
   
2,378
 
Equity securities
  
2,955
   
2,634
   
-
   
321
 
Total investments
 
$
4,761,481
  
$
580,252
  
$
4,178,530
  
$
2,699
 
Real estate acquired (1)
 
$
11,137
  
$
-
  
$
-
  
$
11,137
 
 
 
 
Fair Value
  
Quoted Prices in Active Markets for Identical Assets (Level 1)
  
Significant Other Observable Inputs
(Level 2)
  
Significant Unobservable Inputs
(Level 3)
 
 
 
(In thousands)
 
 
 
  
  
  
 
December 31, 2013
 
  
  
  
 
 
 
  
  
  
 
U.S. Treasury securities and obligations of U.S. government corporations and agencies
 
$
639,590
  
$
639,590
  
$
-
  
$
-
 
Obligations of U.S. states and political subdivisions
  
921,367
   
-
   
918,944
   
2,423
 
Corporate debt securities
  
2,171,415
   
-
   
2,171,415
   
-
 
Asset-backed securities
  
400,486
   
-
   
400,486
   
-
 
Residential mortgage-backed securities
  
358,537
   
-
   
358,537
   
-
 
Commercial mortgage-backed securities
  
271,383
   
-
   
271,383
   
-
 
Collateralized loan obligations
  
60,295
       
60,295
     
Debt securities issued by foreign sovereign governments
  
40,852
   
40,852
   
-
   
-
 
Total debt securities
  
4,863,925
   
680,442
   
4,181,060
   
2,423
 
Equity securities
  
2,894
   
2,573
   
-
   
321
 
Total investments
 
$
4,866,819
  
$
683,015
  
$
4,181,060
  
$
2,744
 
Real estate acquired (1)
 
$
13,280
  
$
-
  
$
-
  
$
13,280
 

(1) Real estate acquired through claim settlement, which is held for sale, is reported in Other Assets on the consolidated balance sheet.
Reconciliation of beginning and ending balance for assets and liabilities measured at fair value with significant unobservable inputs (level 3)
For assets measured at fair value using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances for the three months ended March 31, 2014 and 2013 is as follows:
 
 
 
Obligations of U.S. States and Political Subdivisions
  
Corporate Debt Securities
  
Equity Securities
  
Total Investments
  
Real Estate Acquired
 
 
 
(In thousands)
 
Balance at December 31, 2013
 
$
2,423
  
$
-
  
$
321
  
$
2,744
  
$
13,280
 
Total realized/unrealized gains (losses):
                    
Included in earnings and reported as losses incurred, net
  
-
   
-
   
-
   
-
   
(1,160
)
Purchases
  
30
   
-
   
-
   
30
   
8,010
 
Sales
  
(75
)
  
-
   
-
   
(75
)
  
(8,993
)
Transfers into Level 3
  
-
   
-
   
-
   
-
   
-
 
Transfers out of Level 3
  
-
   
-
   
-
   
-
   
-
 
Balance at March 31, 2014
 
$
2,378
  
$
-
  
$
321
  
$
2,699
  
$
11,137
 
 
                    
Amount of total losses included in earnings for the three months ended March 31, 2014 attributable to the change in unrealized losses on assets still held at March 31, 2014
 
$
-
  
$
-
  
$
-
  
$
-
  
$
-
 

 
 
Obligations of U.S. States and Political Subdivisions
  
Corporate Debt Securities
  
Equity Securities
  
Total Investments
  
Real Estate Acquired
 
 
 
(In thousands)
 
Balance at December 31, 2012
 
$
3,130
  
$
17,114
  
$
321
  
$
20,565
  
$
3,463
 
Total realized/unrealized gains (losses):
                    
Included in earnings and reported as realized investment gains (losses), net
  
-
   
(225
)
  
-
   
(225
)
  
-
 
Included in earnings and reported as losses incurred, net
  
-
   
-
   
-
   
-
   
(1,302
)
Purchases
  
30
   
-
   
-
   
30
   
8,014
 
Sales
  
(203
)
  
(16,889
)
  
-
   
(17,092
)
  
(2,651
)
Transfers into Level 3
  
-
   
-
   
-
   
-
   
-
 
Transfers out of Level 3
  
-
   
-
   
-
   
-
   
-
 
Balance at March 31, 2013
 
$
2,957
  
$
-
  
$
321
  
$
3,278
  
$
7,524
 
 
                    
Amount of total losses included in earnings for the three months ended March 31, 2013 attributable to the change in unrealized losses on assets still held at March 31, 2013
 
$
-
  
$
-
  
$
-
  
$
-
  
$
-